Fig. 1From: Reliability of mixed dentition space analysis using a digital model obtained from an optical impression: a preliminary studyModels used in this study (a) A mixed dentition model for pediatric dental training used as a reference model, (b) a plaster model made from an impression of the reference model using alginate impression material, and (c) a digital model obtained from an optical impression of the reference model using an intraoral scanner are shownBack to article page